SKU: 92310204836

ARCO Marine Zeus A8000-48V 8kW J180 4" Alternator w/Isolated Ground

Sale price$964.76 Regular price$1071.95
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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1

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Description

ARCO Marine Zeus A8000-48V 8kW J180 4" Alternator w/Isolated GroundZeus A8000 48V 8kW J180 4" Alternator with Isolated Ground The ARCO Zeus A8000 48V alternator turns on at lower RPMs, runs cooler, and provides more power than other 48V alternators that are larger and heavier. This alternator continuously generates over 3kW (55 Amps)at 2,500 RPM and almost 6kW (111 Amps) at 4,000 Alternator RPM. Put in real world terms, a marine diesel engine charging at 1,200 RPM with a 3. 13: 1 pulley ratio is generating just over

Zeus A8000-48V 8kW J180 4" Alternator with Isolated Ground

The ARCO Zeus A8000-48V alternator turns on at lower RPMs, runs cooler, and provides more power than other 48V alternators that are larger and heavier. This alternator continuously generates over 3kW (55 Amps)at  2,500 RPM and almost 6kW (111 Amps) at 4,000 Alternator RPM. Put in real-world terms, a marine diesel engine charging at 1,200 RPM with a 3.13:1 pulley ratio is generating just over 5kW (97 Amps), and a Mercedes Sprinter at 750 RPM with a 3.21:1 ratio is generating over 3kW (55 Amps)!

Instead of using rotors designed for 48 volts, many competitor alternators simply use their 12V rotors which is less efficient and limits output at all RPMs. In this scenario, your external smart regulator must drastically reduce field, by as much as 78%. If this is not done correctly, you run the risk of destroying the unit and damaging other components in your system. ARCO utilizes a native 48V rotor and field current. This results in our 48V alternator running cooler than competitor’s 48V alternators, having a direct impact on the alternator’s lifespan.

Features:

  • Engineered for high energy production.
  • Suitable for marine, RV, military, and commercial applications.
  • Rapidly charges large battery banks.
  • Coolest operating temperatures for increased performance:
  • Heat shedding coatings
  • Rectifier located on housing exterior
  • Dual cooling fans
  • OEM components
  • Optimized for performance at idle speeds.
  • Reduces the need for a generator by creating additional power with your engine.
  • Unleash peak performance with E-Coat/Cerakote, keeping the high amp alternator cooler for sustained amperage output.
  • Use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.
  • SAE J1171 Certified.
  • Proudly made in the U.S.A.

Technical Specifications:

  • Voltage - 48v
  • Field Type - P
  • Rotor Poles - 16
  • Stator Size - 138mm
  • Frame Size - Large
  • Weight - 15.89lbs/7.2kg
  • Regulation - External Only
  • Finish - (Black) E-coating
  • Cut-In RPM - 1,920 Alternator RPM
  • Maximum Alt RPM - 19,000
  • Battery Post - M8 Thread Post, Side Mount
  • Standard Pulley - 49K6 (6-groove, 49mm)
  • Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5
  • Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)
  • Diodes - 6 positive, 6 negative, 80A Rated, Avalanche
  • Max Output (Cold, 9,000 RPM) at 53.5v - 180 Amps - 9,360 Watts – 14.8 kW PTO
  • Sustained Cruising Output (Hot, 6,000 RPM) at 53.5v - 138 Amps - 7,383 Watts – 10.5 kW PTO
  • Sustained Idle Output (Hot, 2,500 RPM) at 53.5v - 78 Amps 4,173 Watts – 6kW PTO
  • Max Continuous Operating Temperature - 100°C / 212°F

Mounting Application:

  • Replaces most Volvo Penta alternators using a 4” J180 saddle-style mount. Also, used on many larger industrial-based engines.

Quick Guide (pdf)
Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92310204836

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4.2 ★★★★★
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M
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Mac Author Anonymous
West Palm Beach, US
★★★★★ 4
Matcha
Flavor Name: Culinary, Size: 1.06 oz (Pack of 1)
I haven’t decided if I really like Matcha, as I got this, just to find that out. I find that the packaging is interesting, and it is best, probably, to store it in the package it comes in. It has a mild flavor, and I am just making tea with it, as I don’t bake any more. It is a bright green powder with a smooth, mild taste, and in a clever package.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
K
Verified Purchase
KB Mom
Houston, US
★★★★★ 5
A Premium Matcha Experience for the True Connoisseur
Flavor Name: Culinary, Size: 1.06 oz (Pack of 1)
I recently had the pleasure of trying the Jade Leaf Matcha Organic Premium Ceremonial Grade Matcha Green Tea Powder, and it truly lives up to its reputation as a high-quality product. As someone who enjoys matcha regularly, I was eager to compare this offering to others on the market, and I have to say I was very impressed. The first thing I noticed was the vibrant green color of the powder. It’s a rich, deep green that is indicative of the quality and freshness of the leaves. When prepared, the tea has a smooth, silky texture and a natural sweetness that makes it enjoyable both on its own and as an addition to smoothies or lattes. I appreciate that this matcha doesn’t have the bitterness that can sometimes accompany lesser-quality varieties, making it a perfect choice for ceremonial use or a relaxing daily treat. As a ceremonial grade matcha, it’s clear that Jade Leaf has carefully sourced and processed the tea leaves. The flavor is balanced and complex, with grassy, vegetal notes followed by a subtle sweetness. It has the perfect level of umami, which is an essential characteristic of a high-quality matcha. I’ve tried a variety of brands, but this one stands out for its consistency and superior taste. The packaging is also noteworthy. The resealable bag ensures the matcha stays fresh, which is crucial for preserving its delicate flavor and antioxidants. It’s easy to scoop out the right amount without making a mess, and the instructions on the back are clear and helpful for those new to preparing matcha. Whether you’re a seasoned matcha drinker or new to the world of green tea, this Jade Leaf matcha provides a top-notch experience. I highly recommend it for anyone looking for an authentic, high-quality matcha that delivers excellent taste and a sense of calm and clarity with every sip.
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Reviewed in the United States on January 12, 2026
F
Verified Purchase
fitnfabulous2013
Waukegan, US
★★★★★ 5
The all day energy
Flavor Name: Culinary, Size: 1.06 oz (Pack of 1)
Great taste when you know how to make it..gives me full of energy, the smell.is fresh, the color is the perfect green, not grit and the price is reasonable. Drink it in a tea drink or smoothie . Smooth texture. Very drinkable.
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Reviewed in the United States on May 26, 2026
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Verified Purchase
J. Moore
Waukegan, US
★★★★★ 3
Not an affordable option for organic matcha
Flavor Name: Culinary, Size: 1.06 oz (Pack of 1)
Great product however very misleading on the serving amount per package. For a full flavor robust cup of matcha from this product you will get an average of 15 servings. There are much better affordable options available.
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Reviewed in the United States on April 12, 2026
P
Verified Purchase
Prettynperky
Lexington, US
★★★★★ 5
It has no sugar
Flavor Name: Culinary, Size: 1.06 oz (Pack of 1)
Very matcha taste and texture. I used this to create a matcha butter cream for my enchanted garden themed cupcakes and it was so delicious. There was no spiciness and I was able to use the rest to make matcha for the kids so I definitely got a good value for my money. I did not have any digestive problems using this. As I did mix it with ripple non dairy milk
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Reviewed in the United States on June 3, 2026

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